Day Thirteen

Difficulty: easy-ish. Mostly, it's an interpretation question.

I love this next problem. So very cool.

Problem 29

i.e., find the shaded area.

Difficulty: Medium.

Standard instructions for this series: No calculator allowed. Express answers in reduced form. Rationalize denominators. Radicals must be reduced. All numbers are base ten unless otherwise specified. Do not approximate radicals or π. Leave such answers as 1025π or √39, for example. Source: UVM Math Contest

answer 13 and answer 29.

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